Rockwell-automation 1771-SPI,D17716.5.122 SPI PROTOCOL INTERFACE Bedienungsanleitung PDF herunterladen (Seite 42)

Creating Command and Status Blocks

Chapter 4

4-6

Blank CCB Worksheet for Your Application

Copy this worksheet as needed.

Write your own entries in this blank worksheet to suit your application.

CCB Worksheet

Word Write your entries in this column.

1 device ID: name ___________________________________ code ____________

2 # numeric preset words = _____ # bitcommand words = ______

3 # bit status words = _______ # ASCII strings = ______

4 # ASCII status words = _______ # numeric status words = ______

Word Write your entries in this column. [1] CMD1 CMD2

5 bit command 1

numeric preset 1

ASCII strings 1

Word Write your entries in this column. [1] [2] CMD2 CMD1

bit status word 1

numeric status word 1

ASCII status word 1

[1]

Leave no blank words between groups of entries. If not using a group, put the next group in its space.

[2] Status words that you specify here are returned in CDS whenever the SPI module polls its devices.

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Rockwell-automation 1771-SPI,D17716.5.122 SPI PROTOCOL INTERFACE Bedienungsanleitung Seite 42